President Donald Trump is expected to sign four executive orders related to the military, including one that will pave the way for a missile defense system for the U.S. NBC News’ Yamiche Alcindor reports on the details of each order and the proposed “Iron Dome for America.

The “next generation” missile defense shield would protect the U.S. from ballistic, hypersonic, advanced cruise missiles and other advanced aerial attacks, according to a fact sheet seen by CNN. Though no weapons of this sort have been used against the U.